Express the product of 9.0 x 10^-4m and 8.1 x 10^4m using the correct number of significant digits

Question

Chemistry

Eliezer Robertson

25 May, 13:21

Express the product of 9.0 x 10^-4m and 8.1 x 10^4m using the correct number of significant digits

+1

Answers (1)

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Montoya · Answer 1

7.3 * 10¹ m²

Explanation:

The language "product" means that we must multiply the numbers given to get our answer.

9.0 * 10⁻⁴ m * 8.1 * 10⁴ m = 7.3 * 10¹ m²

The significant figures rule for multiplication is that we must us the amount of significant figures in the number with the least significant figures, in this question this is 2 significant digits from both 9.0 * 10⁻⁴ m and 8.1 * 10⁴ m.